Method and apparatus for determining the uncovered size of an op

Details Method and apparatus for determining the uncovered size of an op Method and apparatus for determining the uncovered size of an op

1990-09-28

1992-12-15

Raevis, Robert

Measuring and testing

Testing of apparatus

454 56, B01L 100

Patent

active

051706733

ABSTRACT:
Fume hood controller apparatus includes a computing means, together with associated memory, which can be configured for horizontally and/or vertically moveable sash doors by inputting the necessary dimensions of the sash doors and other structural features, such as the upper lip height, frame widths and the like. The apparatus rapidly calculates the size of the uncovered area of the fume hood as a functions of the position of the sash doors.

REFERENCES:
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patent: 4773311 (1988-09-01), Sharp
patent: 4882526 (1989-11-01), Iino
patent: 4893551 (1990-01-01), Sharp et al.

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